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PHYTOCHEMICAL SCREENING AND ANTIBACTERIAL ACTIVITY OF SOFT CORAL Nephthea sp. EXTRACT ISOLATED AGAINST Escherichia coli
Setyaningrum, Tri Wahyu
; Nurulfadilah
; Candri, Dining Aidil
; Dharmayani, Ni Komang Tri
; Ghazali, Mursal
; Faturrahman
This study aimed to evaluate the antibacterial potential of Nephthea sp. extract against Escherichia coli and to analyze the phytochemical constituents present in Nephthea sp. using various solvents. The extraction process was carried out using the maceration method with three different solvents: n-hexane, ethyl acetate, and methanol. The resulting extracts were analyzed through phytochemical screening and antibacterial activity assays. The results showed that Nephthea sp. extract contained seve...
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Miniature Medical Car Didukung dengan Pulse Arm Band Berbasis Algoritma XGBoost dalam Deteksi Pola Abnormal Detak Jantung
Walidin, Adamsyach Prana
; Kiswanto, Dedy
; Zai, Tri Sapta Warman
; Sagala, Fafmi
; Walidin, Adamsyach Prana
; Kiswanto, Dedy
; Zai, Tri Sapta Warman
; Sagala, Fafmi
Peningkatan kasus gangguan kardiovaskular menuntut adanya sistem pemantauan detak jantung yang tidak hanya akurat, tetapi juga mampu memberikan respons cepat terhadap kondisi abnormal. Penelitian ini bertujuan mengembangkan sistem pemantauan detak jantung berbasis Internet of Things (IoT) yang terintegrasi dengan algoritma Extreme Gradient Boosting (XGBoost) untuk mendeteksi pola detak jantung abnormal secara real-time serta memicu respons otomatis melalui Miniature Medical Car. Metode penelitia...
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Attention-Augmented GRU for Stock Forecasting: A Trade-Off Between Directional Accuracy and Price Prediction Error
R. Daniel Hartanto
; Guruh Fajar Shidik
; Farrikh Alzami
; Ahmad Zainul Fanani
; Aris Marjuni
; Abdul Syukur
Journal of Computing Theories and Applications
Vol 3
, No 4
(2026)
Attention mechanisms have been widely incorporated into recurrent neural network architectures for financial time series forecasting, with most prior work reporting improvements in price-level error metrics. This study revisits that claim through a controlled empirical comparison of four deep learning architectures on nearly two decades of Telkom Indonesia (TLKM) closing price data from the Indonesia Stock Exchange (IDX). The models evaluated are a three-layer Gated Recurrent Unit (GRU) baseline...
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Morphological and genetic identifications of Spirulina based on 16S rRNA gene
Spirulina is a microalga with spiral or linear trichome shapes that has potential in industrial and food sectors due to its rich nutritional content. Spirulina can live in various aquatic habitats with different environmental conditions. Differences in cultivation environments can affect the morphological characteristics of Arthrospira due to phenotypic plasticity, making morphology-based identification prone to errors. Therefore, molecular identification using the 16S rRNA gene for phylogenetic...
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Assessment of genetic diversity in EMS-induced porang (Amorphophallus muelleri Blume) revealed by RAPD markers
Haritzah, Rendha Maulana
; Radita, Novia Fitri
; Ramadanti, Isma Salsabila
; Azzahro, Yusri Despa
; Wahyudi, Didik
; Resmisari, Ruri Siti
; Suyono
Increasing genetic diversity of porang through mutation is urgently needed since porang has low genetic diveristy. Therefore, this study aims to increase the genetic diversity of porang using ethyl methanesulfonate (EMS) and analyze the genetic diversity of porang using RAPD markers. Porang explants were subjected to in vitro EMS induction at various concentrations (control, 0.1%, 0.2%, 0.3%, 0.4%, and 0.5%) and evaluated after 35 days. DNA amplification was carried out using 20 RAPD primers. Ge...
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Mangrove Biodiversity for Coastal Resilience and Sustainability: A Dynamic Case Study from Indonesia
Martuti, Nana Kariada Tri
; Jabbar, Abdul
; Irsadi, Andin
; Sidiq, Wahid Akhsin Budi Nur
; Melati, Inaya Sari
; Eldin Khair, Amar Sharaf
; Mutiatari, Dhita Pracisca
Mangrove degradation and socio-economic vulnerability in the Kendal coast require an integrated approach. The study used ecological surveys (mangrove vegetation analysis, avifauna) and socio-economic (n=186 households). Integrated Coastal Management (ICM) analysis and model were developed using a dynamic approach, encompassing problem identification, conceptual model formulation, and validation preparation. 14 mangrove species (H' index = 1.58–1.80) and 61 bird species (H' = 3.50) were found. Co...
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Pengaruh Manajemen Organisasi Tim terhadap Kinerja Atlet dalam Lingkungan Olahraga Perguruan Tinggi
Jendela Olahraga
Vol 11
, No 01
(2026)
Penelitian ini bertujuan untuk mengkaji pengaruh manajemen organisasi tim terhadap kinerja atlet dalam konteks olahraga perguruan tinggi. Penelitian menggunakan pendekatan kuantitatif dengan desain survei. Sampel penelitian melibatkan 120 atlet mahasiswa yang berasal dari tiga perguruan tinggi negeri dan dipilih menggunakan teknik purposive sampling. Instrumen penelitian terdiri atas kuesioner manajemen organisasi tim yang mencakup aspek perencanaan, koordinasi, kepemimpinan pelatih, dan komunik...
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The Relationship Between Language Development in Children Aged 5-6 Years and Readiness for Elementary School
Handayani, Oktarina Dwi
; Permadhy , Arselia Meidinda
; Handayani, Oktarina Dwi
; Permadhy , Arselia Meidinda
Paudia
Vol 15
, No 1
(2026)
This study aims to analyze the relationship between language development and school readiness in children aged 5–6 years before entering formal education. The study used a quantitative approach with a correlational design. The study subjects were 156 children enrolled in kindergartens in East Jakarta. Data were collected through language development and school readiness assessment instruments, then analyzed using the Spearman correlation test with the help of the SPSS program. The results showed...
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Human Resource Reform and Transformational Leadership As a Determinant of Employee Professionalism: Analysis of the Role of Resistance Towards Change in Public Organizations
Proceeding. of The International Conference on Business and Economics
Vol 4
, No 1
(2026)
This paper aims to analyze the influence of Human Resource Reform and Transformational Leadership on Civil Servant Professionalism, with Resistance to Change as a mediating variable. The research focuses on civil servants at the Semarang City Personnel, Education and Training Agency (BKPP Semarang City), an institution at the forefront of bureaucratic reform and talent management. A quantitative approach was employed through a survey of 77 civil servants using a saturated sampling technique. Dat...
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Pengaruh Media Film Animasi Omar Dan Hana Terhadap Perkembangan Nilai Moral Anak Usia 5-6 Tahun
Paudia
Vol 15
, No 1
(2026)
Pengembangan nilai-nilai moral adalah landasan terpenting dalam membentuk karakter anak. Penelitian ini bertujuan untuk menguji penggunaan film animasi Omar dan Hana dalam mendukung pengembangan nilai-nilai moral pada anak usia 5-6 tahun. Penelitian ini menggunakan pendekatan kuantitatif dengan desain studi kasus satu kali (one shot case study) pra-eksperimental yang melibatkan delapan anak sebagai sampel penelitian. Data dikumpulkan melalui observasi, kuesioner, dan dokumentasi, dan dianalisis...
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